Hydroxypropyltrimonium Hydrolyzed Corn Starch ●
TL;DR. This ingredient is a cationic conditioning polymer and film former, used mainly to improve wet combing, reduce static, and add light slip in hair products. It can also support deposition of conditioning benefits in rinse-off formulas.
What does Hydroxypropyltrimonium Hydrolyzed Corn Starch do in a cosmetic formula?
This ingredient is a cationic conditioning polymer and film former, used mainly to improve wet combing, reduce static, and add light slip in hair products. It can also support deposition of conditioning benefits in rinse-off formulas.
Is Hydroxypropyltrimonium Hydrolyzed Corn Starch clean?
From a clean-beauty perspective, it is generally viewed as a mild, plant-derived alternative to some synthetic conditioning polymers. The main caveats are its quaternary modification and the need for tight control of processing residuals from the cationic etherification step.
Is Hydroxypropyltrimonium Hydrolyzed Corn Starch sustainable?
It starts from a renewable crop-based carbohydrate feedstock, then is chemically modified to give conditioning performance. It is expected to be more biodegradable than many fully synthetic conditioning polymers, although the permanent positive charge can affect aquatic fate and wastewater behavior.
Is Hydroxypropyltrimonium Hydrolyzed Corn Starch COSMOS-approved?
It may be allowed in COSMOS-natural formulas when the source material, modification route, and residual limits meet the standard, but it is not a straightforward COSMOS-organic ingredient. Its Green Chemistry profile is mixed, with renewable feedstock and useful low-dose performance balanced by synthetic quaternization chemistry.
How does Hydroxypropyltrimonium Hydrolyzed Corn Starch work chemically?
The molecule is a water-dispersible plant polysaccharide derivative with hydroxyalkyl ether groups and permanent quaternary ammonium sites, which helps it adsorb onto negatively charged hair and skin surfaces. Typical use is about 0.1 to 2% active in shampoos, conditioners, and leave-ons, with broad cosmetic pH tolerance but possible performance shifts in systems with high anionic surfactant or high electrolyte load.
Last updated 2026-05-13